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authorLukasz Majewski <l.majewski@samsung.com>2015-08-17 01:53:48 +0200
committerKukjin Kim <kgene@kernel.org>2015-09-17 00:48:11 +0200
commitd3981d1e0a34bd294d620476a33967452e0298a7 (patch)
tree6f7c9f5db00df00acac0d474f788e09b08957ced /arch/arm/boot/dts/exynos4412-odroidu3.dts
parentARM: dts: Add pwm-fan node for exynos4412-odroidu3 (diff)
downloadlinux-d3981d1e0a34bd294d620476a33967452e0298a7.tar.xz
linux-d3981d1e0a34bd294d620476a33967452e0298a7.zip
ARM: dts: use pwm-fan device as a cooling device for exynos4412-odroidu3
With those bindings it is possible to use pwm-fan device available in Odroid U3 as a cooling device. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Eduardo Valentin <edubezval@gmail.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Kukjin Kim <kgene@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/exynos4412-odroidu3.dts')
-rw-r--r--arch/arm/boot/dts/exynos4412-odroidu3.dts33
1 files changed, 32 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 54b3bc1dba1d..1e6ef99eef59 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -33,9 +33,40 @@
};
};
- pwm-fan {
+ fan0: pwm-fan {
compatible = "pwm-fan";
pwms = <&pwm 0 10000 0>;
+ cooling-min-state = <0>;
+ cooling-max-state = <3>;
+ #cooling-cells = <2>;
+ cooling-levels = <0 102 170 230>;
+ };
+
+ thermal-zones {
+ cpu_thermal: cpu-thermal {
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert1>;
+ cooling-device = <&cpu0 7 7>;
+ };
+ map1 {
+ trip = <&cpu_alert2>;
+ cooling-device = <&cpu0 13 13>;
+ };
+ map2 {
+ trip = <&cpu_alert0>;
+ cooling-device = <&fan0 0 1>;
+ };
+ map3 {
+ trip = <&cpu_alert1>;
+ cooling-device = <&fan0 1 2>;
+ };
+ map4 {
+ trip = <&cpu_alert2>;
+ cooling-device = <&fan0 2 3>;
+ };
+ };
+ };
};
};